/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.ee.structure;
import java.io.InputStream;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import org.jboss.as.ee.component.DeploymentDescriptorEnvironment;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.DeploymentUnitProcessor;
import org.jboss.as.server.deployment.module.ResourceRoot;
import org.jboss.metadata.ear.jboss.JBossAppMetaData;
import org.jboss.metadata.ear.spec.EarMetaData;
import org.jboss.metadata.merge.JBossAppMetaDataMerger;
import org.jboss.metadata.parser.jboss.JBossAppMetaDataParser;
import org.jboss.metadata.parser.spec.EarMetaDataParser;
import org.jboss.metadata.parser.util.NoopXMLResolver;
import org.jboss.vfs.VFSUtils;
import org.jboss.vfs.VirtualFile;
import static org.jboss.as.ee.EeMessages.MESSAGES;
/**
* Deployment processor responsible for parsing the application.xml file of an ear.
*
* @author John Bailey
*/
public class EarMetaDataParsingProcessor implements DeploymentUnitProcessor {
private static final String APPLICATION_XML = "META-INF/application.xml";
private static final String JBOSS_APP_XML = "META-INF/jboss-app.xml";
public void deploy(final DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
if (!DeploymentTypeMarker.isType(DeploymentType.EAR, deploymentUnit)) {
return;
}
final ResourceRoot deploymentRoot = deploymentUnit.getAttachment(org.jboss.as.server.deployment.Attachments.DEPLOYMENT_ROOT);
final VirtualFile deploymentFile = deploymentRoot.getRoot();
EarMetaData earMetaData = handleSpecMetadata(deploymentFile);
JBossAppMetaData jbossMetaData = handleJbossMetadata(deploymentFile);
if (earMetaData == null && jbossMetaData == null) {
return;
}
// the jboss-app.xml has a distinct-name configured then attach it to the deployment unit
if (jbossMetaData != null && jbossMetaData.getDistinctName() != null) {
deploymentUnit.putAttachment(Attachments.DISTINCT_NAME, jbossMetaData.getDistinctName());
}
JBossAppMetaData merged;
if (earMetaData != null) {
merged = new JBossAppMetaData(earMetaData.getEarVersion());
} else {
merged = new JBossAppMetaData();
}
JBossAppMetaDataMerger.merge(merged, jbossMetaData, earMetaData);
deploymentUnit.putAttachment(Attachments.EAR_METADATA, merged);
if (merged.getEarEnvironmentRefsGroup() != null) {
final DeploymentDescriptorEnvironment bindings = new DeploymentDescriptorEnvironment("java:app/env/", merged.getEarEnvironmentRefsGroup());
deploymentUnit.putAttachment(org.jboss.as.ee.component.Attachments.MODULE_DEPLOYMENT_DESCRIPTOR_ENVIRONMENT, bindings);
}
}
private EarMetaData handleSpecMetadata(VirtualFile deploymentFile) throws DeploymentUnitProcessingException {
final VirtualFile applicationXmlFile = deploymentFile.getChild(APPLICATION_XML);
if (!applicationXmlFile.exists()) {
return null;
}
InputStream inputStream = null;
try {
inputStream = applicationXmlFile.openStream();
final XMLInputFactory inputFactory = XMLInputFactory.newInstance();
inputFactory.setXMLResolver(NoopXMLResolver.create());
XMLStreamReader xmlReader = inputFactory.createXMLStreamReader(inputStream);
return EarMetaDataParser.INSTANCE.parse(xmlReader);
} catch (Exception e) {
throw MESSAGES.failedToParse(e, applicationXmlFile);
} finally {
VFSUtils.safeClose(inputStream);
}
}
private JBossAppMetaData handleJbossMetadata(VirtualFile deploymentFile) throws DeploymentUnitProcessingException {
final VirtualFile applicationXmlFile = deploymentFile.getChild(JBOSS_APP_XML);
if (!applicationXmlFile.exists()) {
return null;
}
InputStream inputStream = null;
try {
inputStream = applicationXmlFile.openStream();
final XMLInputFactory inputFactory = XMLInputFactory.newInstance();
inputFactory.setXMLResolver(NoopXMLResolver.create());
XMLStreamReader xmlReader = inputFactory.createXMLStreamReader(inputStream);
return JBossAppMetaDataParser.INSTANCE.parse(xmlReader);
} catch (Exception e) {
throw MESSAGES.failedToParse(e, applicationXmlFile);
} finally {
VFSUtils.safeClose(inputStream);
}
}
public void undeploy(final DeploymentUnit deploymentUnit) {
deploymentUnit.removeAttachment(Attachments.EAR_METADATA);
}
}